@article{lowerboundsfromfitnesslevelsmadeeasy,
  title = {Lower Bounds from Fitness Levels Made Easy},
  author = {Benjamin Doerr and Timo Kötzing},
  year = {2021},
  eprint = {2104.03372},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2104.03372v3},
}